The National Library of Medicine and its databases Lívia Vasas, PhD

Not only PubMed go to „”All databases”

Abbreviations NIH: National Institutes of Health NLM: National Library of Medicine: NCBI: National Center for Biotechnology Information MeSH: Medical Subject Heading PMC: PubMed Central AID: Article Identifier DOI: Digital Object Identifier ISSN: International Standard Serial Number NCBI a division of NLM at NIH More info: NCBI Handbook

MEDLINE – Definition History The MEDLINE database is the electronic counterpart of Index Medicus®, Index to Dental Literature, and the International Nursing Index, taken care by NLM. MEDLINE is the most used medical bibliographic database.

Index Medicus

MEDLINE a database with bibliographic records from journal articles More than 25 million records from 5600 journals (medical, dentistry, nursing, health care, medical history journals, Online books are being indexed The MEDLINE records contain Medical Subject Headings (MeSH) Most of the citations are from English-language journals and include abstracts.

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MEDLINE - PubMed These databases work on the same base MEDLINE (OVID, EBSCO etc) Subsciption service Qualified records with MeSH terms, more subheadings, Value added services PubMed Free of charge, open access Special records (in process…as supplied by publ… indexed for Medline ) Updated daily

Only a free word search (basic search)

A record from PubMed

Sign in – register for an account Do not use special characters at registration (– á Ö. : ; *) Detailed search question can be saved: „Save search” notification if there are new records for a search „Manage Filters” settings will remain (can customize your own filter) Useful records can be put into Collections

Filters Manage Filters ….. Properties - Subsets: MEDLINE records d-display-changes-citation-status-tags/ d-display-changes-citation-status-tags/ Create custom filter („in process”, „as supplied by publisher”)

PubMed possibilities Show additional filters Send to Save search Advanced search Results by year PMC images search for Titles with your search terms free full-text articles in PubMed Central Search details Recent activities PubMed Commons etc.

Advanced search

Collections ….

Starting in MeSH

Starting at MeSH

Other Searching possibilities

Clinical Queries

PMC PubMed Central 3,3 M full text articles advanced search

PMC - PubMed Central

PubMed Central - PMC

This search is still not a good search…. Analize the result to find more relevant keywords– rethink the search process Special attention to the publication types…

systematic-search ?related=1

A proper search Match the question to the source (PubMed, PMC, other database …) Develop a search strategy Step by step (MeSH, free words, filters, etc.)

Own database from the useful records

2013 – PubMed Commons comments

MedlinePlus – for everybody

webster.com/medlineplus/klinefelter

The same topic in more databases

Ouestions When was introduced among the MeSH terms „Ebola Vaccines” ? The MeSH term „Ebola vaccines” and the subheading is „therapeutic use” Nerrow the search for this subheading, and the question is: how many „review” are in PubMed fro this search?

Questions The Cardiology main MESH term, subheading „trends” will result how much „clinical trial” type publications in PubMed database? doi: /CIRCULATIONAHA Type of the publication: Review article letter editorial

Questions What is the correct DOI number of the article, where Vasas and Berhidi are as authors, and was published in 2013: / /OH… /OH

Questions Child diseased with Ebola. Start the search in MESH. How much review type publications about it in PubMed?

Questions In „BioProject” database how many records are for „Klinefelter” word? For the keyword „down syndrome” among the NCBI databases how many hits are?

Questions MEDLINE contains less records than PubMed. False The DOI number: /iovs The article has an author called Szel A. False True

Thank you for you attention!